CVE-2026-92791 Uber Kraken through 0.1.29 Path Traversal via tag parameter
Unauthenticated attackers can read arbitrary files via path traversal in the tag parameter of the Uber Kraken image registry.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-92791?
CVE-2026-92791 is a high-severity path traversal vulnerability in uber kraken, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Uber Kraken through 0.1.29 fails to validate the tag parameter in the /tags/{tag} endpoint, allowing unauthenticated attackers to traverse outside the configured storage root. Attackers can use percent-encoded parent-directory segments in the tag parameter to read arbitrary files accessible to the testfs backend process.
Weakness: CWE-22
Which versions are affected by CVE-2026-92791?
How do I fix CVE-2026-92791?
No fix has been published for CVE-2026-92791 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-92791 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92791 exists.
Sources
Also known as GHSA-2jmw-fcwx-7j6h.